installation problem for expresso

[shom...@gmail.com]

sh install.sh gave error:

Cleaning up...
Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 278, in run
    requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
  File "/usr/lib/python2.7/dist-packages/pip/req.py", line 1178, in prepare_files
    url = finder.find_requirement(req_to_install, upgrade=self.upgrade)
  File "/usr/lib/python2.7/dist-packages/pip/index.py", line 194, in find_requirement
    page = self._get_page(main_index_url, req)
  File "/usr/lib/python2.7/dist-packages/pip/index.py", line 568, in _get_page
    session=self.session,
  File "/usr/lib/python2.7/dist-packages/pip/index.py", line 670, in get_page
    resp = session.get(url, headers={"Accept": "text/html"})
  File "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/sessions.py", line 467, in get
    return self.request('GET', url, **kwargs)
  File "/usr/lib/python2.7/dist-packages/pip/download.py", line 237, in request
    return super(PipSession, self).request(method, url, *args, **kwargs)
  File "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/sessions.py", line 455, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/sessions.py", line 558, in send
    r = adapter.send(request, **kwargs)
  File "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/adapters.py", line 305, in send
    conn = self.get_connection(request.url, proxies)
  File "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/adapters.py", line 215, in get_connection
    block=self._pool_block)
  File "/usr/share/python-wheels/urllib3-1.7.1-py2.py3-none-any.whl/urllib3/poolmanager.py", line 259, in proxy_from_url
    return ProxyManager(proxy_url=url, **kw)
  File "/usr/share/python-wheels/urllib3-1.7.1-py2.py3-none-any.whl/urllib3/poolmanager.py", line 214, in __init__
    'Not supported proxy scheme %s' % self.proxy.scheme
AssertionError: Not supported proxy scheme None

Storing debug log for failure in /home/shome/.pip/pip.log
Downloading/unpacking qtutils
Cleaning up...
Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 278, in run
    requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
  File "/usr/lib/python2.7/dist-packages/pip/req.py", line 1178, in prepare_files
    url = finder.find_requirement(req_to_install, upgrade=self.upgrade)
  File "/usr/lib/python2.7/dist-packages/pip/index.py", line 194, in find_requirement
    page = self._get_page(main_index_url, req)
  File "/usr/lib/python2.7/dist-packages/pip/index.py", line 568, in _get_page
    session=self.session,
  File "/usr/lib/python2.7/dist-packages/pip/index.py", line 670, in get_page
    resp = session.get(url, headers={"Accept": "text/html"})
  File "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/sessions.py", line 467, in get
    return self.request('GET', url, **kwargs)
  File "/usr/lib/python2.7/dist-packages/pip/download.py", line 237, in request
    return super(PipSession, self).request(method, url, *args, **kwargs)
  File "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/sessions.py", line 455, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/sessions.py", line 558, in send
    r = adapter.send(request, **kwargs)
  File "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/adapters.py", line 305, in send
    conn = self.get_connection(request.url, proxies)
  File "/usr/share/python-wheels/requests-2.2.1-py2.py3-none-any.whl/requests/adapters.py", line 215, in get_connection
    block=self._pool_block)
  File "/usr/share/python-wheels/urllib3-1.7.1-py2.py3-none-any.whl/urllib3/poolmanager.py", line 259, in proxy_from_url
    return ProxyManager(proxy_url=url, **kw)
  File "/usr/share/python-wheels/urllib3-1.7.1-py2.py3-none-any.whl/urllib3/poolmanager.py", line 214, in __init__
    'Not supported proxy scheme %s' % self.proxy.scheme
AssertionError: Not supported proxy scheme None

Storing debug log for failure in /home/shome/.pip/pip.log

i had put my proxy as name:password@proxy:port.

for req in $(cat requirements.txt); do sudo pip --proxy http://username:password@proxy:port install $req; done

can anyone tell where is the error?